stop dangerous pfas - perfluoroalkyl and polyfluoroalkyl substances, synthetic organofluorine chemical compounds

cancer carcinogen carcinogenic caution chemical chemicals chemistry compounds concept concepts contamination damage danger dangerous demolished demolishing environment environmental exposure fluorinated fluorine fluorochemicals health impermeable issues organic organofluorine people pfas pfass pfoa pfos pollutant pollutants pollution polyfluoroalkyl rainproof removing repellent risk safety sign stop substances synthetic text toxic warning water waterproof waterresistant word